The answer to your question is B: It explains the organization of the federal government.
answer A the availability of raw materials
The Congress of Vienna was considered a success because it was the first time in history that on a continental scale national representatives came together to formulate treaties, instead of relying mostly on messages from the several capitals. The Congress of Vienna was a conference headed by the monarchs of Austria and it was to provide a long-term peace plan for the superpowers of Europe and to have stability in Europe.
The Battle of Lexington and Concord was the Start of the American Revolution ( April 19, 1775) (“Shot heard ‘round the world) It was one of the last straws if peace to be taken between the States and Britain (The Declaration of Independence was the last straw and was what cause the stamp of the war to be put down in 1776)
Limited liability made it easier and profitable to acquire new territories. Through joint stock, they were able to raise money to funds necessary to grow their capacity and engage on a global scale. New technologies made it possible to extract raw materials from the territories acquired in Africa and Asia